Year	per 1,000 female adults
1960	373.665
1961	373.835
1962	370.631
1963	370.594
1964	366.077
1965	365.614
1966	361.568
1967	356.946
1968	352.291
1969	351.048
1970	345.095
1971	340.07
1972	335.28
1973	330.891
1974	326.597
1975	320.574
1976	311.586
1977	309.513
1978	304.003
1979	299.394
1980	293.944
1981	285.021
1982	277.651
1983	275.217
1984	268.04
1985	262.968
1986	261.61
1987	256.668
1988	254.678
1989	257.02
1990	264.302
1991	269.565
1992	275.487
1993	281.22
1994	286.83
1995	289.698
1996	293.281
1997	294.38
1998	299.868
1999	300.591
2000	299.201
2001	304.401
2002	300.546
2003	299.357
2004	307.756
2005	304.345
2006	305.977
2007	302.978
2008	306.851
2009	301.505
2010	303.132
2011	294.974
2012	295.812
2013	286.269
2014	285.922
2015	277.686
2016	277.471
2017	267.501
2018	267.117
2019	255.959
2020	255.948
2021	243.922
2022	246.927